/*
* Copyright (C) 2016 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.common.rebind;
import static org.junit.Assert.*;
import java.util.HashMap;
import java.util.Map;
import org.junit.Test;
/**
*
* @author Max Barkley <mbarkley@redhat.com>
*/
public class NameUtilTests {
@Test
public void getHashCharIsValidJavaIdentifierCharForWholeDomain() throws Exception {
final Map<Integer, Character> invalid = new HashMap<>();
for (int i = 0; i < 64; i++) {
final char observed = NameUtil.getHashChar(i);
if (!Character.isJavaIdentifierPart(observed)) {
invalid.put(i, observed);
}
}
assertTrue("The following mappings are not valid Java identifier parts: " + invalid, invalid.isEmpty());
}
@Test
public void validHashForLargestUnsignedInt() throws Exception {
final String observed = NameUtil.getShortHashString(0xFFFFFFFF);
for (int i = 0; i < observed.length(); i++) {
assertTrue("Invalid identifier part [" + observed + "].", Character.isJavaIdentifierPart(observed.charAt(i)));
}
}
@Test
public void validHashForLargestSignedInt() throws Exception {
final String observed = NameUtil.getShortHashString(Integer.MAX_VALUE);
for (int i = 0; i < observed.length(); i++) {
assertTrue("Invalid identifier part [" + observed + "].", Character.isJavaIdentifierPart(observed.charAt(i)));
}
}
@Test
public void validHashForSmallestSignedInt() throws Exception {
final String observed = NameUtil.getShortHashString(Integer.MIN_VALUE);
for (int i = 0; i < observed.length(); i++) {
assertTrue("Invalid identifier part [" + observed + "].", Character.isJavaIdentifierPart(observed.charAt(i)));
}
}
@Test
public void validHashForZero() throws Exception {
final String observed = NameUtil.getShortHashString(0);
for (int i = 0; i < observed.length(); i++) {
assertTrue("Invalid identifier part [" + observed + "].", Character.isJavaIdentifierPart(observed.charAt(i)));
}
}
}